Can an Ignition Interlock Be Installed on Any Make and Model Car?
Ignition interlock compatibility depends on the age of your vehicle and its electrical system.
Ignition interlock devices (IIDs) save lives. Studies show IIDs lead to 26% fewer alcohol-related crash fatalities.
If you're convicted of a DUI, you may need to have an IID, commonly called a car breathalyzer, installed before you can get your license back. Fortunately, ignition interlock compatibility is strong across most modern cars and trucks, which makes the installation process more straightforward than you might expect.
However, not every vehicle is a perfect match. Before you move forward, it’s important to understand exceptions and limitations so you can avoid delays and get back on the road.
Can You Install an Interlock on Any Car?
Ignition interlock compatibility depends on the age of your vehicle and its electrical system. Most modern cars of any make and model are compatible with interlock devices, although there are exceptions.
As the #1 ignition interlock provider, our Intoxalock installation specialists understand the unique installation needs that come with some makes and models. If you've been convicted of a DUI and require an alcohol breathalyzer for your vehicle, call our team at (888) 283-5899.
How Ignition Interlock Devices Work
IIDs are breathalyzer devices integrated into a vehicle's ignition system. You must blow into the device before you start the car. If the device reads a breath alcohol concentration (BrAC) above your state’s legal limits, it won't allow you to start the vehicle.
Typically, the interlock BrAC limit is fairly low, such as 0.02%. This alcohol breathalyzer test limit means almost any amount of alcohol on the breath will stop the vehicle from starting.
Installation Requirements for IIDs
IIDs typically need a 12-volt electrical system, which is standard in most modern vehicles. However, most electric and hybrid models use different electrical architectures. For example, many newer Tesla models (2022 and later) operate on a 16-volt system. Some hybrids feature dual systems, with some components running on 12 volts and others on higher voltage.
Because of these differences, you must confirm compatibility with your vehicle before scheduling installation. Typically, an experienced installer like our Intoxalock partners can help determine if your car’s electrical system supports an ignition interlock device.
Interlock Compatibility Across Vehicle Types
Can you install an interlock on any car? All modern makes and models of cars, SUVs, and pickup trucks that meet the installation guidelines work with IIDs.
Older Vehicles and Ignition Interlock Installation
In many cases, older vehicles may be easier to equip with an IID. Classic and antique cars often have simpler wiring systems, and installers can usually complete the necessary connections on the driver’s side without running wires under the hood.
However, older cars are also prone to more wear, especially their panels and grounding points. Make sure your car’s electrical components are in good working order and consider installing a new battery or updating electrical components if needed.
Can You Install an IID on an Electric or Hybrid Vehicle?
Yes, most of the time, you can install ignition interlock on electric and hybrid vehicles. However, due to the complex and specialty nature of these installations, not all IID service centers can install devices in electric or hybrid vehicles. Make sure to discuss your vehicle type when coordinating interlock device installation.
Call an Intoxalock state specialist at (888) 283-5899 to help you find the right installation provider for your electric or hybrid vehicle in your state.
Motorcycle and IID Compatibility
IID installation following a motorcycle-related DUI is required in all vehicles you own or operate. That includes your motorcycle. However, not all IID devices are compatible with motorcycles. Intoxalock IIDs aren't currently compatible with motorcycles.
If you’re concerned about your alcohol intake though, Keepr makes personal breathalyzers that you can use to self-monitor your drinking behavior. This device can’t replace an IID as a legal requirement, but it can help you create an accountability plan for your alcohol use.
Common Concerns About IID Installation
Having an ignition interlock device installed can raise a few common questions or concerns. Below are clear answers addressing frequent worries to help you navigate this process confidently.
Will Remote Start Work With an IID?
One common concern about IID installation is whether remote start capabilities will work. When an IID is installed, any existing remote start capability must be disabled to support compliance with the device.
Will an Ignition Interlock Drain My Car Battery?
Interlock devices draw a small amount of power from your car’s battery at all times, even when the engine is turned off. If you don’t drive your vehicle regularly, especially in colder weather, your battery can drain over time. To prevent this, try to drive your vehicle every few days and use your IID’s sleep mode if the vehicle will be parked for longer periods of time.
Learn about some common issues with IIDs and how to solve them.
Can an IID Damage My Vehicle?
Properly installed IIDs won't damage your vehicle. It's important to work with an interlock provider with trained, knowledgeable technicians who can protect your vehicle. Every Intoxalock technician is certified and trained to ensure quality installations.
Choosing a Reliable Interlock Provider
When selecting an IID provider and installation service, look for:
- Convenient locations and appointment times to fit your schedule
- An IID interlock device that’s easy to use for a smoother daily experience
- State certification to maintain compliance with your IID order
- Positive reviews and testimonials about quality
- Transparent and easy-to-understand pricing structures
- Customer support through phone, email, or chat
Next Steps for Getting an IID Installed
If you need to install an IID after a DUI conviction, you must comply with state requirements to protect your driving privileges.
Understand Your State's Requirements
State requirements for IID installation vary. Each state's laws differ when it comes to who must install an IID. Some states require anyone who has a DUI conviction to install one, while others only require IIDs for second or third offenses or first offenses with a high BAC.
Laws also differ when it comes to how long a device must be installed, how calibration and reporting are handled, and what devices and providers are approved.
Be sure you understand and follow the requirements in your state.
Find a Certified Installer Near You
Use the Intoxalock Location Finder to find a certified installer near you. With over 5,200 locations, Intoxalock has the largest nationwide network of installation locations. Over 90% of our customers live within 10 miles of one of our locations.
Contact Intoxalock for Installation Assistance
Check if your vehicle is compatible — call us today at (888) 283-5899!
When you speak to Intoxalock customer support, provide clear details about your vehicle, including its make and model. Our team will help you get set up with an IID ignition interlock device that works for your car, truck, or SUV making the process as smooth and affordable as possible.
